1. Clinical and experimental investigations on ileus with particular reference to genesis of intestinal gas;Andersen;>Acta chir. scandinav.,1943
2. An experimental study of the effects of barium and intestinal contents on the peritoneal cavity;Cochran;>Am. J. Roentgenol.,1963
3. Physiological principles in intestinal obstruction;Crowley;>Surg. Clin. North America,1946
4. On strangulating obstruction of the small bowel with special reference to cases with poor roentgen findings;Frimann-Dahl;>Acta. radiol.,1944
5. Radiological experiences in true strangulating obstructions;Frimann-Dahl;>Acta radiol.,1951